Our attachments in Documents are corrupted .. we have been able to use the attachments in the past but since at least the redesign, it's not working. See:
This is a private wiki but Cisco employees can view.
We will look at these and fix it right away. There has been an issue identified with some attachments. We are hoping to address these this week.
Thank you for your patience.
We have resolved this issue with corrupt attachements.